Preheat oven to 375.
Combine the squash, olive oil, salt, shallots, and ginger in a large bowl. Toss, making sure everything is thoroughly coated with oil.
Bake on a roasting pan or cookie sheet for 50 minutes or until tender, stirring every 15 minutes or so. Cool for 10 minutes.
Combine the roasted squash and the broth or water in a blender or food processor. Blend until creamy and smooth. (This may need to be done in batches - be careful not to burn yourself!) Pour the puree into a large saucepan and cook over medium heat for 5 minutes, or until hot an steaming.
Top with chives and pepper. Serve and enjoy!